Home / 36,006.68-49,689.80-19,874.76

Finding the Fourth Proportional to 36,006.68, 49,689.80 and 19,874.76

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Solution

The fourth proportional to 36,006.68, 49,689.80 and 19,874.76 is: 27,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.68 : 49,689.80 = 19,874.76 : x
  2. Step 2: Convert to fraction form
    36,006.68/49,689.80 = 19,874.76/x
  3. Step 3: Cross multiply
    36,006.68x = 49,689.80 × 19,874.76
  4. Step 4: Simplify right side
    36,006.68x = 987,572,849.45
  5. Step 5: Solve for x
    x = 987,572,849.45/36,006.68
  6. Step 6: Final answer
    x = 27,427.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.